WO2018034416A1 - Dispositif électronique et procédé d'affichage d'image du dispositif électronique - Google Patents

Dispositif électronique et procédé d'affichage d'image du dispositif électronique Download PDF

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Publication number
WO2018034416A1
WO2018034416A1 PCT/KR2017/006356 KR2017006356W WO2018034416A1 WO 2018034416 A1 WO2018034416 A1 WO 2018034416A1 KR 2017006356 W KR2017006356 W KR 2017006356W WO 2018034416 A1 WO2018034416 A1 WO 2018034416A1
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WIPO (PCT)
Prior art keywords
image
display
pixels
pixel
electronic device
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Application number
PCT/KR2017/006356
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English (en)
Korean (ko)
Inventor
윤영일
Original Assignee
삼성전자 주식회사
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Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to EP17841600.4A priority Critical patent/EP3480805B1/fr
Priority to US16/325,799 priority patent/US11455948B2/en
Publication of WO2018034416A1 publication Critical patent/WO2018034416A1/fr

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • G09G2320/046—Dealing with screen burn-in prevention or compensation of the effects thereof
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/10—Special adaptations of display systems for operation with variable images
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • G09G2330/022—Power management, e.g. power saving in absence of operation, e.g. no data being entered during a predetermined time
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • G09G2330/023—Power management, e.g. power saving using energy recovery or conservation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/12—Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels

Definitions

  • the present invention relates to a method for displaying an image on a display included in an electronic device.
  • LCDs liquid crystal displays
  • OLEDs organic light emitting diodes
  • OLED displays can be turned on and off for each device, and may have a specific feature that can express black well with the device turned off.
  • the red, green, and blue devices included in each pixel of the OLED display have different lifetimes, and various arrangements can be used to efficiently control the lifetime of the devices.
  • Various embodiments of the present disclosure may provide an electronic device and an image display method of the electronic device that can prevent flickering by adjusting the brightness of the image when the image is moved.
  • An electronic device may include a memory, a display, and a processor configured to store an image, wherein the processor is configured to display the image on the display and to designate the display among pixels included in the image.
  • the display device may be configured to select at least one pixel displayed below the brightness, increase the brightness of the selected at least one pixel, and move the image displayed on the display.
  • an image display method of an electronic device may include displaying an image on a display, selecting at least one pixel displayed under a brightness specified in the display from among pixels included in the image, The method may include increasing the brightness of the at least one selected pixel and moving the image displayed on the display.
  • a computer-readable recording medium may include displaying an image on a display, selecting at least one pixel displayed below a brightness specified on the display, from among pixels included in the image, A program may be recorded that performs a method comprising increasing the brightness of at least one selected pixel and moving the image displayed on the display.
  • FIG 1 illustrates an electronic device according to various embodiments of the present disclosure.
  • FIG. 2 is a block diagram of an electronic device according to various embodiments of the present disclosure.
  • FIG. 3 is a block diagram of a program module according to various embodiments of the present disclosure.
  • FIG. 4 is a block diagram illustrating a configuration of an electronic device according to various embodiments of the present disclosure.
  • FIG. 5 is a diagram illustrating an image according to various embodiments of the present disclosure.
  • FIG. 6 is a diagram illustrating an image modified before displaying the image on a display.
  • FIG. 7 is a diagram illustrating an image modified before displaying the image on a display.
  • FIG. 8 is a diagram illustrating a pattern of a layer according to various embodiments of the present disclosure.
  • 9A and 9B illustrate pixels selected according to a pixel arrangement form of a display according to various embodiments of the present disclosure.
  • FIG. 10 is a view illustrating pixels selected according to a moving interval of an image according to various embodiments of the present disclosure.
  • FIG. 11 is a view illustrating pixels selected according to a moving direction of an image according to various embodiments of the present disclosure.
  • 12A and 12B illustrate an embodiment of changing brightness of an image by using a plurality of layers.
  • FIG. 13 is a flowchart illustrating an image display method of an electronic device according to various embodiments of the present disclosure.
  • expressions such as “have”, “may have”, “include”, or “may contain” include the presence of a corresponding feature (e.g., numerical, functional, operational, or component such as a component). Does not exclude the presence of additional features.
  • expressions such as “A or B”, “at least one of A or / and B”, or “one or more of A or / and B” may include all possible combinations of items listed together.
  • “A or B”, “at least one of A and B”, or “at least one of A or B” includes (1) at least one A, (2) at least one B, Or (3) both of cases including at least one A and at least one B.
  • first,” “second,” “first,” or “second,” as used herein may modify various components, regardless of order and / or importance, and may modify one component to another. It is used to distinguish a component and does not limit the components.
  • the first user device and the second user device may represent different user devices regardless of the order or importance.
  • the first component may be called a second component, and similarly, the second component may be renamed to the first component.
  • One component (such as a first component) is "(functionally or communicatively) coupled with / to" to another component (such as a second component) or " When referred to as “connected to”, it should be understood that any component may be directly connected to the other component or may be connected through another component (eg, a third component).
  • a component e.g., a first component
  • another component e.g., a second component
  • the expression “configured to” used in this document is, for example, “suitable for”, “having the capacity to” depending on the situation. It may be used interchangeably with “designed to”, “adapted to”, “made to”, or “capable of”.
  • the term “configured to” may not necessarily mean only “specifically designed to” in hardware. Instead, in some situations, the expression “device configured to” may mean that the device “can” along with other devices or components.
  • the phrase “processor configured (or set up) to perform A, B, and C” may execute a dedicated processor (eg, an embedded processor) to perform the operation, or one or more software programs stored in a memory device. By doing so, it may mean a general-purpose processor (for example, a CPU or an application processor) capable of performing the corresponding operations.
  • An electronic device may include, for example, a smartphone, a tablet personal computer, a mobile phone, a video phone, an e-book reader, Desktop PCs, laptop PCs, netbook computers, workstations, servers, personal digital assistants, portable multimedia players, MP3 players, mobile medical devices, It may include at least one of a camera or a wearable device.
  • a wearable device may be an accessory type (for example, a watch, a ring, a bracelet, an anklet, a necklace, glasses, a contact lens, or a head-mounted-device (HMD)), a fabric, or a clothing type (for example, it may include at least one of an electronic garment, a body attachment type (eg, a skin pad or a tattoo), or a living implantable type (eg, an implantable circuit).
  • HMD head-mounted-device
  • the electronic device may be a home appliance.
  • Home appliances are, for example, televisions, digital video disk players, audio, refrigerators, air conditioners, cleaners, ovens, microwave ovens, washing machines, air cleaners, set-top boxes, home automation Home automation control panel, security control panel, TV box (e.g. Samsung HomeSync TM, Apple TV TM, or Google TV TM), game console (e.g. Xbox TM, PlayStation TM), electronics It may include at least one of a dictionary, an electronic key, a camcorder, or an electronic picture frame.
  • the electronic device may include various medical devices (eg, various portable medical measuring devices (such as blood glucose meters, heart rate monitors, blood pressure monitors, or body temperature meters), magnetic resonance angiography (MRA), magnetic resonance imaging (MRI), Computed tomography (CT), cameras, or ultrasounds), navigation devices, satellite navigation systems (GNSS (Global Navigation Satellite System)), event data recorders (EDRs), flight data recorders (FDRs), automotive infotainment ) Devices, ship's electronic equipment (e.g.
  • Point of sales point of sales, or Internet of things (e.g. light bulbs, sensors, electricity or gas meters, sprinkler devices, fire alarms, thermostats, street lights, It may include at least one of (toaster), exercise equipment, hot water tank, heater, boiler.
  • things e.g. light bulbs, sensors, electricity or gas meters, sprinkler devices, fire alarms, thermostats, street lights, It may include at least one of (toaster), exercise equipment, hot water tank, heater, boiler.
  • an electronic device may be a furniture or part of a building / structure, an electronic board, an electronic signature receiving device, a projector, or various measuring devices (eg, Water, electricity, gas, or radio wave measuring instrument).
  • the electronic device may be one or a combination of the aforementioned various devices.
  • An electronic device according to an embodiment may be a flexible electronic device.
  • the electronic device according to an embodiment of the present disclosure is not limited to the above-described devices, and may include a new electronic device according to technology development.
  • the term user may refer to a person who uses an electronic device or a device (eg, an artificial intelligence electronic device) that uses an electronic device.
  • FIG 1 illustrates an electronic device according to various embodiments of the present disclosure.
  • the electronic devices 101, 102, 104 or the server 106 may be connected to each other through the network 162 or the short range communication 164.
  • the electronic device 101 may include a bus 110, a processor 120, a memory 130, an input / output interface 150, a display 160, and a communication interface 170.
  • the electronic device 101 may omit at least one of the components or additionally include other components.
  • the bus 110 may, for example, include circuitry that connects the components 110-170 to each other and communicates communications (eg, control messages and / or data) between the components.
  • communications eg, control messages and / or data
  • the processor 120 may include one or more of a central processing unit (CPU), an application processor (AP), or a communication processor (CP).
  • the processor 120 may execute, for example, an operation or data processing related to control and / or communication of at least one other component of the electronic device 101.
  • the memory 130 may include volatile and / or nonvolatile memory.
  • the memory 130 may store, for example, commands or data related to at least one other element of the electronic device 101.
  • the memory 130 may store software and / or a program 140.
  • the program 140 may be, for example, a kernel 141, middleware 143, an application programming interface (API) 145, an application program (or “application”) 147, or the like. It may include. At least a portion of kernel 141, middleware 143, or API 145 may be referred to as an operating system (OS).
  • OS operating system
  • the kernel 141 may be a system resource (eg, used to execute an action or function implemented in, for example, other programs (eg, middleware 143, API 145, or application program 147).
  • the bus 110, the processor 120, or the memory 130 may be controlled or managed.
  • the kernel 141 may provide an interface for controlling or managing system resources by accessing individual components of the electronic device 101 from the middleware 143, the API 145, or the application program 147. Can be.
  • the middleware 143 may serve as an intermediary for allowing the API 145 or the application program 147 to communicate with the kernel 141 to exchange data.
  • the middleware 143 may process one or more work requests received from the application program 147 according to priority.
  • the middleware 143 may use system resources (eg, the bus 110, the processor 120, or the memory 130, etc.) of the electronic device 101 for at least one of the application programs 147. Priority can be given.
  • the middleware 143 may perform the scheduling or load balancing of the one or more work requests by processing the one or more work requests according to the priority given to the at least one.
  • the API 145 is, for example, an interface for the application 147 to control a function provided by the kernel 141 or the middleware 143, for example, file control, window control, image processing, or text. It may include at least one interface or function (eg, a command) for control.
  • the input / output interface 150 may serve as, for example, an interface capable of transferring a command or data input from a user or another external device to other component (s) of the electronic device 101.
  • the input / output interface 150 may output commands or data received from other component (s) of the electronic device 101 to a user or another external device.
  • Display 160 may be, for example, a liquid crystal display (LCD), a light-emitting diode (LED) display, an organic LED (OLED) display, or a microelectromechanical Microelectromechanical systems (MEMS) displays, or electronic paper displays.
  • the display 160 may display various contents (eg, text, images, videos, icons, symbols, etc.) to the user.
  • the display 160 may include a touch screen and, for example, may receive a touch, gesture, proximity, or hovering input using an electronic pen or a part of a user's body.
  • the communication interface 170 may establish communication between, for example, the electronic device 101 and an external device (eg, the first external electronic device 102, the second external electronic device 104, or the server 106). Can be.
  • the communication interface 170 may be connected to the network 162 through wireless or wired communication to communicate with the external device (eg, the second external electronic device 104 or the server 106).
  • Wireless communication is, for example, a cellular communication protocol, for example, long-term evolution (LTE), LTE-advanced (LTE-A), code division multiple access (CDMA), Wi-band CDMA (WCDMA), and universal mobile (UMTS).
  • LTE long-term evolution
  • LTE-A LTE-advanced
  • CDMA code division multiple access
  • WCDMA Wi-band CDMA
  • UMTS universal mobile
  • cellular communication using at least one of telecommunications system (WTro), wireless broadband (WiBro), or global system for mobile communications (GSM).
  • the wireless communication may include, for example, wireless fidelity (Wi-Fi), Bluetooth, Bluetooth low power (BLE), Zigbee, near field communication (NFC), and magnetic secure transmission (MST). Transmission), radio frequency (RF), or body area network (BAN), or GNSS.
  • Wi-Fi wireless fidelity
  • BLE Bluetooth low power
  • NFC near field communication
  • MST magnetic secure transmission
  • Transmission radio frequency
  • the MST generates a pulse according to the transmission data using an electromagnetic signal, and the pulse may generate a magnetic field signal.
  • the electronic device 101 transmits the magnetic field signal to a point of sales, and the POS detects the magnetic field signal using an MST reader and converts the detected magnetic field signal into an electrical signal. Can be restored.
  • GNSS may be, for example, global positioning system (GPS), global navigation satellite system (Glonass), beidou navigation satellite system (“Beidou”), or Galileo (the European global satellite-based navigation system), depending on the region of use or bandwidth. It may include at least one of.
  • GPS global positioning system
  • Glonass global navigation satellite system
  • Beidou beidou navigation satellite system
  • Galileo the European global satellite-based navigation system
  • the wired communication may include, for example, at least one of a universal serial bus (USB), a high definition multimedia interface (HDMI), a reduced standard-232 (RS-232), a plain old telephone service (POTS), and the like.
  • the network 162 may include a telecommunications network, for example, at least one of a computer network (for example, a LAN or WAN), the Internet, and a telephone network.
  • Each of the first external electronic device 102 and the second external electronic device 104 may be the same or different type of device as the electronic device 101.
  • the server 106 may include a group of one or more servers.
  • all or some of operations performed by the electronic device 101 may be performed by one or more other electronic devices (eg, the first external electronic device 102, the second external electronic device 104, or a server). (106)).
  • the electronic device 101 when the electronic device 101 needs to perform a function or service automatically or by request, the electronic device 101 may instead or additionally execute the function or service by itself.
  • At least some associated functions may be requested to another device (eg, the first external electronic device 102, the second external electronic device 104, or the server 106).
  • Another electronic device eg, the first external electronic device 102, the second external electronic device 104, or the server 106 executes the requested function or additional function, and returns the result to the electronic device 101. I can deliver it.
  • the electronic device 101 may process the received result as it is or additionally to provide the requested function or service.
  • cloud computing, distributed computing, or client-server computing technology may be used.
  • FIG. 2 is a block diagram of an electronic device according to various embodiments of the present disclosure.
  • the electronic device 201 may include, for example, all or part of the electronic device 101 illustrated in FIG. 1.
  • the electronic device 201 may include one or more processors (eg, an AP) 210, a communication module 220, a subscriber identification module 229, a memory 230, a sensor module 240, an input device 250, and a display ( 260, an interface 270, an audio module 280, a camera module 291, a power management module 295, a battery 296, an indicator 297, and a motor 298.
  • processors eg, an AP
  • a communication module 220 e.g, a communication module 220, a subscriber identification module 229, a memory 230, a sensor module 240, an input device 250, and a display ( 260, an interface 270, an audio module 280, a camera module 291, a power management module 295, a battery 296, an indicator 297, and a motor 298.
  • a communication module 220 e.g.
  • the processor 210 may control, for example, a plurality of hardware or software components connected to the processor 210 by running an operating system or an application program, and may perform various data processing and operations.
  • the processor 210 may be implemented with, for example, a system on chip (SoC).
  • SoC system on chip
  • the processor 210 may further include a graphic processing unit (GPU) and / or an image signal processor.
  • the processor 210 may include at least some of the components illustrated in FIG. 2 (eg, the cellular module 221).
  • the processor 210 may load and process instructions or data received from at least one of other components (eg, nonvolatile memory) into volatile memory, and store various data in the nonvolatile memory. have.
  • the communication module 220 may have a configuration that is the same as or similar to that of the communication interface 170 of FIG. 1.
  • the communication module 220 may be, for example, a cellular module 221, a Wi-Fi module 222, a Bluetooth module 223, a GNSS module 224 (eg, a GPS module, a Glonass module, a Beidou module, or a Galileo). Module), NFC module 225, and radio frequency (RF) module 227.
  • the cellular module 221 may provide, for example, a voice call, a video call, a text service, or an internet service through a communication network. According to an embodiment of the present disclosure, the cellular module 221 may perform identification and authentication of the electronic device 201 in a communication network by using a subscriber identification module (eg, a SIM card) 229. According to an embodiment of the present disclosure, the cellular module 221 may perform at least some of the functions that the processor 210 may provide. According to an embodiment of the present disclosure, the cellular module 221 may include a communication processor (CP).
  • CP communication processor
  • Each of the Wi-Fi module 222, the Bluetooth module 223, the GNSS module 224, or the NFC module 225 may include, for example, a processor for processing data transmitted and received through the corresponding module. have. According to some embodiments, at least some (eg, two or more) of the cellular module 221, the Wi-Fi module 222, the Bluetooth module 223, the GNSS module 224, and the NFC module 225 may be one. It may be included in an integrated chip (IC) or IC package.
  • IC integrated chip
  • the RF module 227 may transmit / receive, for example, a communication signal (eg, an RF signal).
  • the RF module 227 may include, for example, a transceiver, a power amp module (PAM), a frequency filter, a low noise amplifier (LNA), an antenna, or the like.
  • PAM power amp module
  • LNA low noise amplifier
  • at least one of the cellular module 221, the Wi-Fi module 222, the Bluetooth module 223, the GNSS module 224, the NFC module 225, the RF signal through a separate RF module Can transmit and receive.
  • Subscriber identification module 229 may include, for example, a card containing a subscriber identification module and / or an embedded SIM, and may include unique identification information (eg, an integrated circuit card identifier (ICCID)) or It may include subscriber information (eg, international mobile subscriber identity).
  • ICCID integrated circuit card identifier
  • the memory 230 may include, for example, an internal memory 232 or an external memory 234.
  • the internal memory 232 may be, for example, volatile memory (eg, dynamic RAM (DRAM), static RAM (SRAM), or synchronous dynamic RAM (SDRAM), etc.), non-volatile memory (eg, One time programmable ROM (OTPROM), programmable ROM (PROM), erasable and programmable ROM (EPROM), electrically erasable and programmable ROM (EPEROM), mask ROM, flash ROM, flash memory (e.g., NAND flash) (NAND flash or NOR flash, etc.), a hard drive, or a solid state drive (SSD).
  • volatile memory eg, dynamic RAM (DRAM), static RAM (SRAM), or synchronous dynamic RAM (SDRAM), etc.
  • non-volatile memory eg, One time programmable ROM (OTPROM), programmable ROM (PROM), erasable and programmable ROM (EPROM), electrically
  • the external memory 234 may be a flash drive, for example, compact flash (CF), secure digital (SD), Micro-SD, Mini-SD, extreme digital (XD), MultiMediaCard (MMC), or memory. It may further include a stick (memory stick).
  • the external memory 234 may be functionally and / or physically connected to the electronic device 201 through various interfaces.
  • the security module 236 is a module including a storage space having a relatively higher security level than the memory 230 and may be a circuit that ensures safe data storage and a protected execution environment.
  • the security module 236 may be implemented as a separate circuit and may include a separate processor.
  • the security module 236 may include, for example, an embedded secure element (eSE) that is present in a removable smart chip, a secure digital (SD) card, or embedded in a fixed chip of the electronic device 201. It may include.
  • eSE embedded secure element
  • SD secure digital
  • the security module 236 may be driven by an operating system different from the operating system (OS) of the electronic device 201.
  • OS operating system
  • the security module 236 may operate based on a java card open platform (JCOP) operating system.
  • JCOP java card open platform
  • the sensor module 240 may measure, for example, a physical quantity or detect an operation state of the electronic device 201 and convert the measured or detected information into an electrical signal.
  • the sensor module 240 includes, for example, a gesture sensor 240A, a gyro sensor 240B, an air pressure sensor 240C, a magnetic sensor 240D, an acceleration sensor 240E, a grip sensor 240F, and a proximity sensor ( 240G), color sensor 240H (e.g., RGB sensor), biometric sensor 240I, temperature / humidity sensor 240J, illuminance sensor 240K, or UV (ultra violet) sensor 240M can do.
  • a gesture sensor 240A e.g., a gyro sensor 240B
  • an air pressure sensor 240C e.g., a magnetic sensor 240D
  • an acceleration sensor 240E e.g., a grip sensor 240F
  • a proximity sensor 240G
  • color sensor 240H e.g.
  • the sensor module 240 may include, for example, an olfactory sensor, an electromyography sensor, an electroencephalogram sensor, an electrocardiogram sensor, an infrared sensor, an iris. Sensors and / or fingerprint sensors.
  • the sensor module 240 may further include a control circuit for controlling at least one or more sensors belonging therein.
  • the electronic device 201 further includes a processor configured to control the sensor module 240 as part of or separately from the processor 210, while the processor 210 is in a sleep state. The sensor module 240 may be controlled.
  • the input device 250 may be, for example, a touch panel 252, a (digital) pen sensor 254, a key 256, or an ultrasonic input device ( 258).
  • the touch panel 252 may use at least one of capacitive, resistive, infrared, or ultrasonic methods, for example.
  • the touch panel 252 may further include a control circuit.
  • the touch panel 252 may further include a tactile layer to provide a tactile response to the user.
  • the (digital) pen sensor 254 may be, for example, part of a touch panel or may include a separate sheet for recognition.
  • the key 256 may include, for example, a physical button, an optical key, or a keypad.
  • the ultrasonic input device 258 may detect ultrasonic waves generated by an input tool through a microphone (for example, the microphone 288) and check data corresponding to the detected ultrasonic waves.
  • Display 260 may include panel 262, hologram device 264, or projector 266.
  • the panel 262 may include a configuration that is the same as or similar to that of the display 160 of FIG. 1.
  • the panel 262 may be implemented to be, for example, flexible, transparent, or wearable.
  • the panel 262 may be configured as a single module with the touch panel 252.
  • the hologram 264 may show a stereoscopic image in the air by using interference of light.
  • the projector 266 may display an image by projecting light onto a screen.
  • the screen may be located inside or outside the electronic device 201.
  • panel 262 may include a pressure sensor (or force sensor) capable of measuring the strength of the pressure on the user's touch.
  • the pressure sensor may be integrated with the touch panel 252, or may be implemented with one or more sensors separate from the touch panel 252.
  • the display 260 may further include a control circuit for controlling the panel 262, the hologram device 264, or the projector 266.
  • the interface 270 may include, for example, an HDMI 272, a USB 274, an optical interface 276, or a D-subminiature 278.
  • the interface 270 may be included in, for example, the communication interface 170 illustrated in FIG. 1. Additionally or alternatively, interface 270 may include, for example, a mobile high-definition link (MHL) interface, an SD card / MMC interface, or an infrared data association (IrDA) compliant interface.
  • MHL mobile high-definition link
  • IrDA infrared data association
  • the audio module 280 may bilaterally convert, for example, a sound and an electrical signal. At least some components of the audio module 280 may be included in, for example, the input / output interface 150 illustrated in FIG. 1.
  • the audio module 280 may process sound information input or output through, for example, a speaker 282, a receiver 284, an earphone 286, a microphone 288, or the like.
  • the camera module 291 is, for example, a device capable of capturing still images and moving images.
  • the camera module 291 may include one or more image sensors (eg, a front sensor or a rear sensor), a lens, and an image signal processor (ISP). Or flash (eg, LEDs or xenon lamps).
  • image sensors eg, a front sensor or a rear sensor
  • ISP image signal processor
  • flash eg, LEDs or xenon lamps.
  • the power management module 295 may manage power of the electronic device 201, for example.
  • the power management module 295 may include a power management integrated circuit (PMIC), a charger integrated circuit (ICC), or a battery or fuel gauge.
  • the PMIC may have a wired and / or wireless charging scheme.
  • the wireless charging method may include, for example, a magnetic resonance method, a magnetic induction method, an electromagnetic wave method, or the like, and may further include additional circuits for wireless charging, such as a coil loop, a resonance circuit, a rectifier, and the like. have.
  • the battery gauge may measure, for example, the remaining amount of the battery 296, the voltage, the current, or the temperature during charging.
  • the battery 296 may include, for example, a rechargeable battery and / or a solar battery.
  • the indicator 297 may display a specific state of the electronic device 201 or a part thereof (for example, the processor 210), for example, a booting state, a message state, or a charging state.
  • the motor 298 may convert an electrical signal into mechanical vibrations, and may generate a vibration or haptic effect.
  • the electronic device 201 may include a processing device (eg, a GPU) for supporting mobile TV.
  • the processing apparatus for supporting mobile TV may process media data according to a standard such as Digital Multimedia Broadcasting (DMB), Digital Video Broadcasting (DVB), or MediaFLOTM.
  • DMB Digital Multimedia Broadcasting
  • DVD Digital Video Broadcasting
  • MediaFLOTM MediaFLOTM
  • each of the components described in this document may be composed of one or more components, and the name of the corresponding component may vary according to the type of electronic device.
  • the electronic device may be configured to include at least one of the components described in this document, and some components may be omitted or further include other additional components.
  • some of the components of the electronic device according to various embodiments of the present disclosure may be combined to form one entity, and thus may perform the same functions of the corresponding components before being combined.
  • FIG. 3 is a block diagram of a program module according to various embodiments of the present disclosure.
  • the program module 310 (eg, the program 140) is operated on an operating system (OS) and / or operating system that controls resources related to the electronic device (eg, the electronic device 101).
  • OS operating system
  • applications eg, application program 147) may be included.
  • the operating system may be, for example, android, ios, windows, symbian, tizen, bada, or the like.
  • the program module 310 may include a kernel 320, middleware 330, an API 360, and / or an application 370. At least a part of the program module 310 may be preloaded on the electronic device or may be downloaded from an external electronic device (eg, the electronic devices 102 and 104, the server 106, etc.).
  • the kernel 320 may include, for example, a system resource manager 321 or a device driver 323.
  • the system resource manager 321 may perform control, allocation, or retrieval of system resources.
  • the system resource manager 321 may include a process manager, a memory manager, or a file system manager.
  • the device driver 323 may include, for example, a display driver, a camera driver, a Bluetooth driver, a shared memory driver, a USB driver, a keypad driver, a Wi-Fi driver, an audio driver, or an inter-process communication (IPC) driver. Can be.
  • IPC inter-process communication
  • the middleware 330 may provide various functions through the API 360, for example, to provide functions commonly required by the application 370, or to allow the application 370 to efficiently use limited system resources inside the electronic device. Functions may be provided to the application 370.
  • the middleware 330 eg, the middleware 143 may include a runtime library 335, an application manager 341, a window manager 342, and a multimedia manager. 343, resource manager 344, power manager 345, database manager 346, package manager 347, connectivity manager 348, notification manager 349, location manager 350, graphic manager 351, security manager 352, or payment manager 354. It may include at least one of).
  • the runtime library 335 may include, for example, a library module that the compiler uses to add new functionality through the programming language while the application 370 is running.
  • the runtime library 335 may perform input / output management, memory management, or a function for an arithmetic function.
  • the application manager 341 may manage, for example, a life cycle of at least one of the applications 370.
  • the window manager 342 may manage GUI resources used on the screen.
  • the multimedia manager 343 may grasp formats required for playing various media files and perform encoding or decoding of media files using a codec suitable for the format.
  • the resource manager 344 may manage resources such as source code, memory, or storage space of at least one of the applications 370.
  • the power manager 345 may operate in conjunction with a basic input / output system (BIOS) to manage a battery or power, and provide power information necessary for the operation of the electronic device.
  • BIOS basic input / output system
  • the database manager 346 may generate, search for, or change a database to be used by at least one of the applications 370.
  • the package manager 347 may manage installation or update of an application distributed in the form of a package file.
  • the connection manager 348 may manage, for example, a wireless connection such as Wi-Fi or Bluetooth. Notification manager 349 may display or notify events such as arrival messages, appointments, proximity notifications, and the like in a manner that does not disturb the user.
  • the location manager 350 may manage location information of the electronic device.
  • the graphic manager 351 may manage graphic effects to be provided to the user or a user interface related thereto.
  • the security manager 352 may provide various security functions required for system security or user authentication. According to an embodiment of the present disclosure, when the electronic device (for example, the electronic device 101) includes a telephone function, the middleware 330 further includes a telephone manager for managing a voice or video call function of the electronic device. can do.
  • the middleware 330 may include a middleware module that forms a combination of various functions of the above-described components.
  • the middleware 330 may provide a module specialized for each type of OS in order to provide a differentiated function.
  • the middleware 330 may dynamically delete some of the existing components or add new components.
  • API 360 (eg, API 145) is, for example, a set of API programming functions, which may be provided in different configurations depending on the operating system. For example, in the case of Android or iOS, one API set may be provided for each platform, and in Tizen, two or more API sets may be provided for each platform.
  • the application 370 may be, for example, a home 371, a dialer 372, an SMS / MMS 373, an instant message (374), a browser 375, Camera 376, Alarm 377, Contact 378, Voice Dial 379, Email 380, Calendar 381, Media Player 382, Album 383, or Clock 384, Healthcare or one or more applications capable of performing functions such as health care (eg, measuring exercise amount or blood sugar) or providing environmental information (eg, providing barometric pressure, humidity, or temperature information).
  • health care eg, measuring exercise amount or blood sugar
  • environmental information eg, providing barometric pressure, humidity, or temperature information
  • the application 370 may include information between an electronic device (eg, the electronic device 101) and an external electronic device (eg, the first external electronic device 102 or the second external electronic device 104). It may include an application that supports exchange (hereinafter, for convenience of description, an "information exchange application").
  • the information exchange application may include, for example, a notification relay application for delivering specific information to an external electronic device, or a device management application for managing the external electronic device.
  • the notification delivery application may include notification information generated by another application of the electronic device (eg, an SMS / MMS application, an email application, a health care application, or an environmental information application). And a function of transmitting to the device 102 or the second external electronic device 104. Also, the notification delivery application may receive notification information from an external electronic device and provide the notification information to a user, for example.
  • another application of the electronic device eg, an SMS / MMS application, an email application, a health care application, or an environmental information application.
  • the notification delivery application may receive notification information from an external electronic device and provide the notification information to a user, for example.
  • the device management application may include, for example, at least one function of an external electronic device (eg, the first external electronic device 102 or the second external electronic device 104) in communication with the electronic device (eg, the external electronic device itself). (Or some components) turn-on / turn-off or adjust the brightness (or resolution) of the display, applications that operate on external electronic devices, or services provided by external electronic devices (such as call services or message services, etc.) Can be managed (for example, installed, deleted, or updated).
  • an external electronic device eg, the first external electronic device 102 or the second external electronic device 104
  • the electronic device eg, the external electronic device itself.
  • the application 370 may be an application (eg, health care for a mobile medical device) designated according to an attribute of an external electronic device (eg, the first external electronic device 102 or the second external electronic device 104). Application). According to an embodiment of the present disclosure, the application 370 may include an application received from an external electronic device (for example, the server 106, the first external electronic device 102, or the second external electronic device 104). According to an embodiment of the present disclosure, the application 370 may include a preloaded application or a third party application downloadable from a server.
  • the names of the components of the program module 310 according to the shown embodiment may vary depending on the type of operating system.
  • At least a part of the program module 310 may be implemented in software, firmware, hardware, or a combination of two or more thereof. At least a part of the program module 310 may be implemented (for example, executed) by, for example, a processor (for example, the processor 210). At least a part of the program module 310 may include, for example, a module, a program, a routine, sets of instructions, or a process for performing one or more functions.
  • FIG. 4 is a block diagram illustrating a configuration of an electronic device according to various embodiments of the present disclosure.
  • the electronic device 400 may include an input module 410, a display 420, a memory 430, and a processor 440.
  • the electronic device 400 may include a normal mode and a low power mode.
  • the general mode may refer to a mode in which all of the components 410-440 included in the electronic device 400 are activated or operate without power reduction, such as an awake mode.
  • the low power mode may mean, for example, a mode in which at least some of the components 410-440 included in the electronic device 400 operate in a state for reducing power, such as a sleep mode.
  • the electronic device 400 may, for example, deactivate a portion of the processor 440 (eg, the main processor) in the low power mode, or detect only whether the user input is received without determining a location of the user input. ) Or the display 420 in a low power mode (eg, an AMOLED low power mode (ALPM)).
  • a portion of the processor 440 eg, the main processor
  • APM AMOLED low power mode
  • the electronic device 400 may display an image on the display 420 in a low power mode.
  • the image (or image data) may include, for example, at least one object of a figure, a character, an icon, a symbol, and text.
  • the electronic device 400 may move an image displayed on the display 420 in a low power mode.
  • the electronic device 400 may continuously change the position of the image for a specified time for animation effects. If the position of the image is changed continuously, the image may flicker. Flickering may occur due to the difference in arrangement of sub-pixels included in each of the pixels when the pixels are turned on / off as the image moves.
  • the electronic device 400 may adjust brightness of pixels displayed below the brightness specified on the display when the image is moved to prevent flicker of the image.
  • the input module 410 may receive a user input.
  • the input module 410 may receive a user input for activating an always on display (AOD) function.
  • AOD may refer to a function of displaying an image (or image data) on at least a portion of the display 420 even when the electronic device 400 operates in a low power mode.
  • the input module 410 may receive a user input for selecting an image (or AOD image) to be displayed on the display 420 while the AOD function is activated.
  • the user may select not only an image previously stored in the memory 430 for the AOD function but also an image captured by the user or received from an external electronic device.
  • the input module 410 may receive memo data from a user while the electronic device 400 (or the display 420) operates in a low power mode.
  • the input module 410 may include a touch sensor panel sensing a user's touch manipulation or a pen sensor panel sensing the user's pen manipulation.
  • the touch sensor panel may include a pressure sensor for detecting a pressure on a user touch.
  • the pressure sensor may be integrally implemented with the touch sensor panel or display 420 or may be implemented with one or more sensors separately from the touch sensor panel.
  • the display 420 may display an image. According to an embodiment of the present disclosure, the display 420 may display an image not only when the electronic device 400 operates in a normal mode (eg, an awake mode) but also when operating in a low power mode (eg, a sleep mode). . According to an embodiment, the display 420 may move the displayed image. For example, the display 420 may periodically move the AOD image within a specified movement range. According to an embodiment of the present disclosure, when the image is moved, the display 420 may continuously change the position of the image for a specified time. For example, the display 420 may animate an image by continuously changing the position of the image by a predetermined interval in a specified direction for a specified time within one movement period.
  • the display 420 may be a light emitting diode (LED) display (for example, an organic light emitting diode (OLED)) display.
  • the input module 410 and the display 420 may be implemented as, for example, a touch screen in which a touch sensor panel is disposed on the display panel to simultaneously perform display and touch input sensing. .
  • the memory 430 may store at least one image. According to an embodiment of the present disclosure, the memory 430 may map and store information about a display position, a moving range, a moving interval, or a moving direction of an image set in each image with the image.
  • the processor 440 may control overall operations of the electronic device 400. According to an embodiment of the present disclosure, the processor 440 may control each of the input module 410, the display 420, and the memory 430 to display an image on the display 420 according to various embodiments of the present disclosure. According to an embodiment, the processor 440 (eg, an application processor) may include a system on chip (SoC) including at least one processor (eg, a central processing unit (CPU), a graphic processing unit (GPU)), a memory, and the like. It can be implemented as.
  • SoC system on chip
  • the processor 440 may display an image on the display 420 in a low power mode.
  • the processor 440 may display the AOD image on the display 420 in the low power mode.
  • the processor 440 may display a memo input from the user in the low power mode or display a notification message (or a notification image) on the display 420 when a notification event occurs.
  • the processor 440 may display a user interface (UI) image provided by an application (eg, a music application) running in the background in a low power mode.
  • UI user interface
  • the processor 440 may move an image displayed on the display 420 in a low power mode. Movement of the image may include, for example, changing the position or size of the image as well as changing the position of the image.
  • FIG. 5 is a diagram illustrating an image according to various embodiments of the present disclosure.
  • the processor 440 may identify pixels displayed under the brightness specified on the display 420 among the pixels included in the image.
  • the image can include valid pixels that include pixel values and invalid pixels that do not include pixel values.
  • the effective pixel may be displayed in a color and brightness corresponding to the pixel value, and the invalid pixel may be displayed in a background color or black.
  • the processor 440 may check (or determine) the brightness (or brightness value) of the pixels included in the image.
  • the processor 440 may check pixel values of valid pixels included in an image and may determine brightness values of valid pixels based on the pixel value.
  • the processor 440 may check pixel values of each of the plurality of subpixels included in each pixel, and determine the maximum value among the pixel values of the plurality of subpixels as the brightness value b. According to an embodiment of the present disclosure, the processor 440 may determine the brightness value of the invalid pixels included in the image as zero.
  • the processor 440 may check the pixels displayed below the brightness specified in the display 420 by comparing the brightness values of the pixels included in the image with the reference brightness value.
  • the reference brightness value may be determined according to the characteristics (eg, brightness) of the display panel as, for example, a brightness value that is recognized as black by a user when displayed on the display, or that the display may display in black.
  • the processor 440 may identify, for example, a pixel having a brightness value less than a reference brightness value among the effective pixels (eg, a black pixel) and an invalid pixel as a pixel displayed below a brightness specified on the display. For example, referring to FIG.
  • the image 510 includes pixels in which the brightness value b of the effective pixels is greater than or equal to the reference brightness value r, and the brightness value b of the effective pixels is less than the reference brightness value r. It may include pixels and invalid pixels that do not include a pixel value (or have a brightness value b of zero).
  • FIG. 6 is a diagram illustrating an image modified before displaying the image on a display.
  • the processor 440 may modify at least a part of the image to be displayed before displaying the image 610.
  • the processor 440 may modify some of the effective pixels included in the image not to be displayed on the display 420 to reduce stress. For example, the processor 440 divides the effective pixels included in the image into a plurality of groups (eg, the first group and the second group), and extracts pixel values of some of the groups (eg, the first group). Can be removed or modified to pixel values below the specified brightness (e.g. 0, 0, 0).
  • the first image 610 illustrated in FIG. 6 represents an original image before modification and the second image 630 represents a modified image.
  • Each of the first image 610 and the second image 630 includes pixels of which the brightness value b is greater than or equal to the reference brightness value r among the effective pixels, and the brightness value b of the effective pixels is less than the reference brightness value r. It may include pixels and invalid pixels that do not include a pixel value (or have a brightness value b of zero).
  • brightness values of some effective pixels ( b) may be modified to be less than the reference brightness value r above the reference brightness value r.
  • FIG. 7 is a diagram illustrating an image modified before displaying the image on a display.
  • the processor 440 may generate a first layer 710 and a second layer 720 disposed on the first layer 710.
  • the first layer 710 may include an original image before modification.
  • the second layer 720 may include an effective pixel (eg, a black pixel) and an invalid pixel less than a specified brightness. Can be. Effective pixels (eg black pixels) and invalid pixels below a specified brightness may be arranged in a specified pattern.
  • the processor 440 may modify the image by overlapping the second layer 720 on the first layer 710.
  • This brightness value (b) can be modified to be less than the reference brightness value (r) above the reference brightness value (r).
  • FIG. 8 is a diagram illustrating a pattern of a layer according to various embodiments of the present disclosure.
  • the various layers 810, 820, 830, 840 shown in FIG. 8 may be used to modify the image before the image is displayed on the display 420.
  • the various layers 810, 820, 830, and 840 illustrated in FIG. 8 may correspond to the second layer 720 of FIG. 7.
  • pixels on the display 420 may be frequently turned on / off, causing flicker of the image.
  • flicker may occur when the image is moved in the horizontal or vertical direction.
  • flicker may occur when the image is moved in the horizontal direction, the vertical direction, and the diagonal direction.
  • flicker may occur when the image is moved in the horizontal direction.
  • a partial flicker may occur when the image is moved in the horizontal direction, and flicker overall when the image is moved in the vertical direction. Symptoms may occur.
  • the processor 440 may include at least one pixel (ie, a pixel less than a reference brightness value) displayed below the brightness specified in the display 420 among pixels included in the image. Can be selected. According to an embodiment of the present disclosure, the processor 440 may select a pixel that is displayed at a brightness lower than a brightness specified in the display among the effective pixels of the image. For example, the processor 440 may select only the effective pixels excluding the invalid pixels among the pixels displayed below the brightness specified in the display 420. According to an embodiment of the present disclosure, the processor 440 may select a pixel located within a specified distance in a specified direction from a pixel displayed above a specified brightness among pixels displayed below a specified brightness on the display 420.
  • the processor 440 may determine the designated distance based on the arrangement of the plurality of types of pixels of the display 420 or the moving interval of the image. According to an embodiment of the present disclosure, the processor 440 may determine the designated direction based on the moving direction of the image.
  • 9A and 9B illustrate pixels selected according to a pixel arrangement form of a display according to various embodiments of the present disclosure.
  • the processor 440 may determine the designated distance based on the arrangement form of the plurality of types of pixels of the display 420. For example, the processor 440 may determine the designated distance based on the arrangement period of the plurality of types of pixels.
  • the display panel 910 included in the display 420 may include a plurality of types of pixels according to an arrangement of subpixels included in each pixel.
  • the display panel 910 may include pixels of a first type A, a second type B, and a third type C.
  • first type A pixel for example, subpixels may be arranged in the order of Red, Green, and Blue.
  • second type B pixel for example, subpixels may be arranged in the order of Blue, Red, and Green.
  • the third type C pixel for example, subpixels may be arranged in the order of Green, Blue, and Red.
  • First type (A) pixels may be disposed in a first row of the display panel 910, second type (B) pixels may be disposed in a second row, and third type (C) pixels may be disposed in a third row.
  • the processor 440 may determine, as a specified distance, a value obtained by subtracting one pixel from the maximum value of the arrangement period of the display panel 910. For example, the processor 440 may determine the designated distance as 2 pixels because the display panel 910 has an arrangement period of 1 pixel in the horizontal direction and an arrangement period of 3 pixels in the vertical direction.
  • the image 920 may include pixels having a brightness value b of a valid pixel greater than or equal to a reference brightness value r, and pixels having a brightness value b of an effective pixel less than a reference brightness value r. It may include ineffective pixels that do not contain a value (or that the brightness value b is zero).
  • the processor 440 may select pixels located within two pixels from pixels whose brightness value b is greater than or equal to the reference brightness value r among pixels having the brightness value b less than the reference brightness value r.
  • the display panel 930 included in the display 420 may include a plurality of types of pixels according to an arrangement of subpixels included in each pixel.
  • the display panel 930 may include pixels of the first type A and the second type B.
  • first type A pixel for example, subpixels may be arranged in the order of Red, Green, and Blue.
  • second type B pixel for example, subpixels may be arranged in the order of Blue, Red, and Green.
  • the first type A pixel and the second type B pixel may be alternately arranged in units of pixels.
  • the first type A pixel and the second type B pixel may be arranged in the form of a chessboard.
  • the processor 440 may determine, as a specified distance, a value obtained by subtracting one pixel from the maximum value of the arrangement period of the display panel 930. For example, the processor 440 may determine the designated distance as 1 pixel because the display panel 930 has an array period of 2 pixels in the horizontal direction and an array period of 2 pixels in the vertical direction.
  • the image 940 may include pixels having a brightness value b of the effective pixels greater than or equal to the reference brightness value r, and pixels and pixels having a brightness value b of the effective pixels less than the reference brightness value r. It may include ineffective pixels that do not contain a value (or that the brightness value b is zero).
  • the processor 440 may select pixels located within one pixel from pixels in which the brightness value b is greater than or equal to the reference brightness value r among pixels having the brightness value b less than the reference brightness value r.
  • FIG. 10 is a view illustrating pixels selected according to a moving interval of an image according to various embodiments of the present disclosure.
  • the processor 440 may determine the designated distance based on the moving interval of the image displayed on the display 420. For example, the processor 440 may determine a designated distance to correspond to the moving interval of the image.
  • the processor 440 may continuously change the position of the image according to a specified movement interval for a specified time. For example, the processor 440 may move an image by one pixel or two pixels every image frame.
  • the moving interval of the image 1010 is 1 pixel, from the pixels of which the brightness value b is greater than or equal to the reference brightness value among pixels whose brightness value b is less than the reference brightness value r, Pixels located within one pixel may be selected.
  • the moving interval of the image 1020 is 2 pixels, 2 pixels from pixels whose brightness value b is greater than or equal to the reference brightness value r among pixels whose brightness value b is less than the reference brightness value r Pixels located within can be selected.
  • FIG. 11 is a view illustrating pixels selected according to a moving direction of an image according to various embodiments of the present disclosure.
  • the processor 440 may determine the designated direction based on the moving direction of the image displayed on the display 420.
  • the processor 440 may determine a designated direction to correspond to the moving direction of the image.
  • the designated direction may include, for example, at least one of a horizontal (or horizontal) direction, a vertical (or vertical) direction and a diagonal direction.
  • the diagonal direction may mean, for example, all directions except the horizontal direction and the vertical direction.
  • the first image 1110 shown in FIG. 11 represents an image displayed on the display 420
  • the second image 1120 represents a selected area when the image 1110 moves in the horizontal direction
  • the third image 1130 Represents the selected area when the image 1110 moves in the vertical direction
  • the fourth image 1140 represents the selected area when the image 1110 moves in the diagonal direction.
  • the first image 1110 may include pixels having a brightness value b greater than or equal to a reference brightness value r among effective pixels, and pixels having a brightness value b less than a reference brightness value r among valid pixels. And invalid pixels that do not include a pixel value (or have a brightness value b of zero).
  • the processor 440 may check the moving direction of the image 1110 before moving the image 1110.
  • the image 1110 may move only in the horizontal direction or only in the vertical direction.
  • the image 1110 may move in both the horizontal, vertical and diagonal directions.
  • the processor 440 determines that the brightness value b is the reference brightness value r among the pixels in which the brightness value b is less than the reference brightness value r when the image moves in the horizontal direction. Pixels located within a horizontal interval (for example, 2 pixels) from pixels that are greater than or equal to). Referring to the third image 1130, the processor 440 may determine that the brightness value b is the reference brightness value r among the pixels in which the brightness value b is less than the reference brightness value r when the image moves in the vertical direction.
  • Pixels located within a vertically spaced interval for example, 2 pixels
  • the processor 440 may determine that the brightness value b is the reference brightness value r among the pixels in which the brightness value b is less than the reference brightness value r when the image moves in a diagonal direction. Pixels located within a predetermined distance (eg, 2 pixels) in a diagonal direction from pixels that are greater than or equal to).
  • the processor 440 may increase the brightness of the selected pixels.
  • the processor 440 may increase the brightness of the selected pixels above the reference brightness value r.
  • the image may be changed to the user, and thus the brightness of the selected pixels may be changed within a range that the user does not substantially recognize.
  • 12A and 12B illustrate an embodiment of changing brightness of an image by using a plurality of layers.
  • the processor 440 may increase the brightness of the selected pixels using a plurality of layers. Referring to FIG. 12A, the processor 440 may generate a first layer 1211 and a second layer 1213 disposed on the first layer 1211. According to an embodiment, the first layer 1211 may include an image displayed on the display 420, and the second layer 1213 may include at least one selected pixel. Pixels other than the pixels selected in the second layer 1213 may be invalid pixels. According to an embodiment of the present disclosure, the processor 440 may change the brightness of at least one selected pixel by changing the pixel value of the second layer 1213.
  • the processor 440 may change the pixel value such that the selected pixels included in the second layer 1213 have a brightness equal to or greater than a reference brightness value r. As the pixel value of the second layer 1213 is changed, the brightness of the pixels selected in the image 1215 in which the first layer 1211 and the second layer 1213 overlap each other may be changed.
  • the first layer 1211 may correspond to the first layer 710 of FIG. 7 and the second layer 1213 may correspond to the second layer 720 of FIG. 7.
  • the processor 440 may modify some of the effective pixels of the image included in the first layer 1211 to not be displayed on the display 420 by using the second layer 1213 to prevent burn-in. have.
  • the first layer 1211 may include a pre-correction image when the image is modified to prevent burn-in.
  • the processor 440 may change the brightness of at least one selected pixel by changing the transparency of the second layer 1213.
  • the processor 440 increases the transparency of the second layer 1213, as the transparency of the second layer 1213 is changed, the image in which the first layer 1211 and the second layer 1213 overlap each other
  • the brightness of the selected pixels may be changed by reflecting the pixel value of the first layer 1211 at 1215.
  • the processor 440 may include the first layer 1221, the second layer 1223 disposed on the first layer 1221, and the third layer 1225 disposed on the second layer 1223. Can be generated.
  • the first layer 1221 may include a pre-correction image.
  • the second layer 1223 may include invalid pixels among at least one selected pixel.
  • the third layer 1225 may include an effective pixel among at least one selected pixel.
  • the processor 440 may change the brightness of at least one selected pixel by changing the pixel value of the second layer 1223 and changing the transparency of the third layer 1225.
  • the processor 440 may change the pixel value of the selected invalid pixels included in the second layer 1223 to have a brightness equal to or greater than a reference brightness value r, and increase the transparency of the third layer 1225. You can.
  • the pixel value of the second layer 1223 is changed, the brightness of the selected invalid pixels in the image 1227 in which the first layer 1221, the second layer 1223 and the third layer 1225 overlap each other may be changed. have.
  • the pixel value of the first layer 1221 is increased in the image 1227 in which the first layer 1221, the second layer 1223, and the third layer 1225 overlap.
  • the brightness of the effective pixels among the selected and reflected pixels may be changed.
  • the processor 440 may move the image displayed on the display 420.
  • the processor 440 may move the image according to a moving range, a moving interval, or a moving direction set in the image.
  • the processor 440 may reduce the brightness of the selected pixels to the original brightness before the image is moved.
  • FIG. 13 is a flowchart illustrating an image display method of an electronic device according to various embodiments of the present disclosure.
  • FIG. 13 may include operations processed by an electronic device (for example, the electronic device 400 of FIG. 4). Therefore, although omitted below, contents described with respect to the electronic device with reference to FIGS. 1 through 12B may be applied to the flowchart illustrated in FIG. 13.
  • an electronic device for example, the electronic device 400 of FIG. 4
  • the electronic device may display an image on a display (for example, the display 420 of FIG. 4).
  • the electronic device may display an image on a display while operating in a low power mode (eg, a sleep mode).
  • the electronic device may modify an image to be displayed before displaying the image. For example, the electronic device divides the effective pixels included in the image into a plurality of groups (eg, the first group and the second group), and removes pixel values of some of the plurality of groups (eg, the first group). Alternatively, you can modify it to a pixel value less than the specified brightness (eg 0, 0, 0).
  • the electronic device may generate a first layer including an original image and a second layer disposed over the first layer and including a valid pixel (eg, a black pixel) and an invalid pixel less than a specified brightness. Can be.
  • the electronic device may modify the image by overlapping the second layer on the first layer.
  • the electronic device may select at least one pixel that is displayed to be less than a specified brightness.
  • the electronic device may identify pixels that are displayed at a brightness lower than a brightness specified in a display among pixels included in an image.
  • the electronic device may identify pixels displayed below the brightness specified in the display by comparing the brightness values of the pixels included in the image with the reference brightness value. For example, the electronic device may identify pixels having a brightness value less than a reference brightness value among the effective pixels (for example, black pixels) and ineffective pixels as pixels displayed below the brightness specified on the display.
  • the electronic device may select a pixel that is displayed at a brightness lower than the brightness specified in the display among the effective pixels of the image. According to an embodiment of the present disclosure, the electronic device may select a pixel located within a specified distance in a specified direction from a pixel displayed at a specified brightness or more among pixels displayed at a display lower than a specified brightness. According to an embodiment of the present disclosure, the electronic device may determine the specified distance based on an arrangement form of a plurality of types of pixels of a display or a moving interval of an image. According to an embodiment of the present disclosure, the electronic device may determine the designated direction based on the moving direction of the image.
  • the electronic device may increase the brightness of the selected pixel.
  • the electronic device may increase the brightness of the selected pixels using a plurality of layers. For example, the electronic device may generate a first layer including an image and a second layer including at least one selected pixel disposed on the first layer. The electronic device may increase the brightness of the selected pixels by increasing the pixel value or transparency of the second layer.
  • the electronic device may include a first layer including an image, a second layer including some of at least one pixel disposed on and selected from the first layer, and a remaining portion of the at least one pixel disposed and selected on the second layer. It may generate a third layer including a. The electronic device may increase the pixel value of the second layer and increase the brightness of the selected pixels by increasing the transparency of the third layer.
  • the electronic device may move an image displayed on the display.
  • the electronic device may move the image according to a moving range, a moving interval, or a moving direction set in the image.
  • the electronic device may reduce the brightness of the selected pixel to the original brightness.
  • module may refer to a unit that includes one or a combination of two or more of hardware, software, or firmware.
  • a “module” may be interchangeably used with terms such as, for example, unit, logic, logical block, component, or circuit.
  • the module may be a minimum unit or part of an integrally constructed part.
  • the module may be a minimum unit or part of performing one or more functions.
  • the “module” can be implemented mechanically or electronically.
  • a “module” is one of application-specific integrated circuit (ASIC) chips, field-programmable gate arrays (FPGAs), or programmable-logic devices that perform certain operations, known or developed in the future. It may include at least one.
  • ASIC application-specific integrated circuit
  • FPGAs field-programmable gate arrays
  • At least a portion of an apparatus (e.g., modules or functions thereof) or method (e.g., operations) may be, for example, computer-readable storage media in the form of a program module. It can be implemented as a command stored in.
  • the one or more processors may perform a function corresponding to the instruction.
  • Computer-readable recording media include hard disks, floppy disks, magnetic media (e.g. magnetic tape), optical media (e.g. compact disc read only memory), DVD ( digital versatile discs, magneto-optical media (e.g. floptical disks), hardware devices (e.g. read only memory, random access memory (RAM), or flash memory)
  • the program instructions may include not only machine code generated by a compiler, but also high-level language code executable by a computer using an interpreter, etc.
  • the hardware device described above may be various. It can be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.
  • Modules or program modules according to various embodiments may include at least one or more of the above components, some may be omitted, or further include other components. Operations performed by modules, program modules, or other components in accordance with various embodiments may be executed in a sequential, parallel, repetitive, or heuristic manner. In addition, some operations may be executed in a different order, may be omitted, or other operations may be added.

Abstract

Un dispositif électronique selon divers modes de réalisation de la présente invention comprend une mémoire servant à stocker une image, un dispositif d'affichage et un processeur, le processeur pouvant être configuré afin d'afficher l'image sur le dispositif d'affichage, à sélectionner au moins un pixel, parmi les pixels inclus dans l'image, affichés sur le dispositif d'affichage à un niveau de luminosité inférieur au niveau de luminosité prédéterminé, à augmenter la luminosité du ou des pixels sélectionnés et à déplacer l'image affichée sur le dispositif d'affichage. De plus, d'autres modes de réalisation sont également possibles.
PCT/KR2017/006356 2016-08-18 2017-06-16 Dispositif électronique et procédé d'affichage d'image du dispositif électronique WO2018034416A1 (fr)

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US16/325,799 US11455948B2 (en) 2016-08-18 2017-06-16 Electronic device and image display method of electronic device

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KR102586874B1 (ko) 2023-10-11
KR20180020544A (ko) 2018-02-28
US20210358399A1 (en) 2021-11-18
EP3480805A1 (fr) 2019-05-08
EP3480805B1 (fr) 2021-04-07
US11455948B2 (en) 2022-09-27

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